.mybox{
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}
.mybox-item{
  width: 30%;
  margin-right: 5%;
  margin-bottom: 0.3rem;
  background-color: #F7F7F7;
  padding-bottom: 0.3rem;
}
.mybox-item:nth-of-type(3n){
  margin-right: 0;
}
.mybox-item-thumb{
  padding: 0.3rem 0.5rem;
  background-color: #F7F7F7;
  border: 1px solid #E0F0FF;
  border-radius: 0.2rem 0.2rem 0px 0px;
}
.mybox-item-icon{
  width: 100%;
}
.mybox-item-title{
  padding: 0 0.2rem;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  font-size: 0.22rem;
  color: #000000;
  margin-top: 0.2rem;
}
.mybox-item-btn{
  width: 0.87rem;
  height: 0.3rem;
  line-height: 0.25rem;
  margin: 0 auto;
  background: #0759FA;
  text-align: center;
  border-radius: 0.15rem;
  border: 1px solid #0759FA;
  margin-top: 0.3rem;
  font-size: 0.18rem;
  color: #fff;
  cursor: pointer;
}

@media screen and (max-width: 768px) {
  .mybox-item{
    width: 48%;
    margin-right: 4%;
  }
  .mybox-item:nth-of-type(2n){
    margin-right: 0;
  }
  .mybox-item:nth-of-type(3n){
    margin-right: 4%;
  }
  .mybox-item-btn{
    width: 1rem;
    height: 0.4rem;
    line-height: 0.35rem;
    border-radius: 0.2rem;
  }
}
